The ZMPT112 is a precision voltage transformer module designed for AC voltage sensing in embedded and IoT systems. It is ideal for measuring and monitoring AC mains voltage in applications such as smart meters, energy monitoring systems, power analysis tools, and Arduino or ESP-based projects. Known for its compact design, high accuracy, and electrical isolation, the ZMPT112 enables safe and precise measurement of AC voltages.
🔹 Features:
• High-precision voltage transformer with good consistency
• Provides excellent linearity and isolation between high-voltage and low-voltage circuits
• Built-in adjustable gain op-amp (typically LM358 or similar)
• Suitable for microcontroller ADC input for real-time voltage reading
• Compact module with onboard screw terminals for easy AC input wiring
• Stable output signal with low drift and noise
• Ideal for AC mains voltage sensing (110V–250V)